Element of shoe sole



FIG. 1 is a top perspective view of an element of a shoe sole according to the present invention;

FIG. 2 is a top view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a front view thereof;

FIG. 6 is a rear view thereof; and,

FIG. 7 is a bottom view thereof.

The broken line showing a shoe sole in the first figure is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for an element of shoe sole, as shown and designed. 